553642A | Autofill 1/2"NPT Inlet | Caleffi Product Type_Extension for Outdoor HMI Simply insert the handle into

Simply insert the handle into the desired location and tighten the set screw

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3-phase heater provides ample heat output for large areas

pressure transducers

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553642A | Autofill 1/2"NPT Inlet | Caleffi Product Type_Extension for Outdoor HMI Simply insert the handle intoThe Caleffi 553642A Autofill Valve is an automatic water fill valve designed to maintain water pressure in sealed heating systems. Its 1 2" NPT inlet allows for easy connection to the system, ensuring reliable water supply and system pressure. With its robust construction, it can withstand the demands of industrial and commercial heating applications, providing long lasting performance. **Key Features and Benefits:** * Automatic water fill valve